package com.xia.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * @author yong.xia
 * @version 1.0
 * @ClassName ListValueConstrainValidator
 * @description
 * @date 2021/11/5 13:54
 * @since JDK 1.8
 */
public class ListValueConstrainValidator implements ConstraintValidator<ListValue, Integer> {
    private Set<Integer> set = new HashSet<>();

    //初始化需要检验的值
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();
        for (int i = 0; i < vals.length; i++) {
            set.add(vals[i]);
        }
    }

    //判断是否检验成功
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext constraintValidatorContext) {

        return set.contains(value);
    }
}
